Right now transit directions are dead in the water since nothing in the App Store supports the new API yet.
"Dead in the water" means no progress will be made.
http://www.usingenglish.com/reference/idioms/dead+in+the+wat...
http://www.usingenglish.com/reference/idioms/dead+in+the+wat...
(haven't tried this myself, asked a friend of mine who installed the beta)